Laminated articles

Claim 1

THE PROCESS OF MAKING A LAMINATED ARTICLE WHICH COMPRISES BONDING DIRECTLY TO A BASE MEMBER, BY THE APPLICATION OF HEAT AND PRESSURE, A RESIN-IMPREGNATED OVERLAY SHEET OF PAPER, SAID BASE MEMBER HAVING A THICKNESS OF AT LEAST 1/16 INCH AND AT LEAST ITS FACE SURFACE BEING OF WOOD, THE SAID THICKNESS BEING CORRELATED WITH THE DENSITY OF THE SAID BASE MEMBER WHEREBY THE LATTER IS ADAPTED TO RETAIN ITS NORMAL FORM UNDER MODERATE STRESS, SAID PAPER HAVING BEEN PRE-IMPREGNATED WITH AN IMPREGNANT COMPRISING (1) FROM 2% TO ABOUT 15%, BY WEIGHT OF THE DRY IMPREGNATED PAPER, OF DIALLYL PHTHALATE, AND THE PRE-IMPREGNATED PAPER IN DRY STATE THEREAFTER BEING IMPREGNATED WITH (2) A CURABLE RESINOUS COMPOSITION COMPRISING A COMPATIBLE BLEND OF (A) AN UNCURED RESINOUS PRODUCT OF REACTION OF INGREDIENTS CONSISTING ESSENTIALLY OF FORMALDEHYDE AND BENZOGUANAMINE IN A MOLAR RATIO OF FROM ABOUT 1:1 TO ABOUT 4:1, SAID INGREDIENTS BEING CAUSED TO REACT UNTIL A CONDENSATION PRODUCT IS FORMED, A 50% SOLUTION OF WHICH IN ETHYL ALCOHOL IS STABLE AT 20*-25*C. FOR AT LEAST 5 HOURS, BUT THE REACTION NOT BEING ALLOWED TO PROCEED BEYOND THE POINT WHERE THE CONDENSATION PRODUCT HAS A PLASTICITY OF ABOUT 60 MILS AS DETERMINED BY THE CYANAMID TEST METHOD, AND (B) FROM ABOUT 10% TO ABOUT 50%, BASED ON THE TOTAL WEIGHT OF (A) AND (B), OF AN ALKYD RESIN WHICH IS COMPATIBLE WITH THE RESIN OF (A), THE POLYMERIC DIALLYL PHTHALATE OF (1) IMPROVING THE TRANSPARENCY AND RESISTANCE TO WATER-SPOTTING OF THE OVERLAY SHEET IN THE FINISHED ARTICLE, THE RESINOUS MATERIALS OF (1) AND (2) BEING IN CURED STATE IN THE FINISHED ARTICLE AND, IN SUCH STATE, THE RESINOUS COMPOSITION OF (2) CONSTITUTING AT LEAST ABOUT 65% BY WEIGHT OF THE DRY OVERLAY PAPER IN ITS FINALLY TREATED FORM.